Methyl 4-cyano-5-(difluoromethyl)-2-iodopyridine-3-carboxylate
3-(Bromomethyl)-4-chloro-6-(difluoromethyl)pyridine-2-carboxaldehyde
3-Cyano-6-(difluoromethyl)-4-hydroxy-2-nitropyridine
2-(Bromomethyl)-6-chloro-3-(difluoromethyl)pyridine-5-carboxaldehyde